Temporary header file '/tmp/7RJRtqnLbA/dump1.h' with the following content will be compiled to create GCC translation unit dump:

  // add defines
  #define __STDC_VERSION__ 201710L
#define _GXX_NULLPTR_T
#define CLUTTER_ENABLE_COMPOSITOR_API 1
#define _REGEX_NELTS(n)
#define _Atomic
#define PACKED
#define getaddrinfo_a(a,b,c,d)

  // add includes
  #include "/usr/include/antic/nf.h"
  #include "/usr/include/antic/nf_elem.h"
  #include "/usr/include/antic/qfb.h"

  // add classes
  _G_fpos64_t* tmp_add_class_0;
  _G_fpos_t* tmp_add_class_1;
  _IO_cookie_io_functions_t* tmp_add_class_2;
  ecm_s* tmp_add_class_3;
  fmpz_mod_ctx* tmp_add_class_4;
  ieee_double_extract* tmp_add_class_5;
  n_ecm_s* tmp_add_class_6;
  pair_s* tmp_add_class_7;
  qfb* tmp_add_class_8;
  ucontext_t* tmp_add_class_9;

The GCC parameters:
  gcc -fdump-lang-raw -fkeep-inline-functions -c -x c++ -fpermissive -w "/tmp/7RJRtqnLbA/dump1.h"

In file included from /usr/include/antic/nf.h:21,
                 from /tmp/7RJRtqnLbA/dump1.h:12:
/usr/include/flint/ulong_extras.h:119:8: error: ‘_Thread_local’ does not name a type; did you mean ‘thread_local’?
  119 | extern FLINT_TLS_PREFIX ulong * _flint_primes[FLINT_BITS];
      |        ^~~~~~~~~~~~~~~~
/usr/include/flint/ulong_extras.h:120:8: error: ‘_Thread_local’ does not name a type; did you mean ‘thread_local’?
  120 | extern FLINT_TLS_PREFIX double * _flint_prime_inverses[FLINT_BITS];
      |        ^~~~~~~~~~~~~~~~
/usr/include/flint/ulong_extras.h:121:8: error: ‘_Thread_local’ does not name a type; did you mean ‘thread_local’?
  121 | extern FLINT_TLS_PREFIX int _flint_primes_used;
      |        ^~~~~~~~~~~~~~~~